Effortless Heavy Material Handling with Professional Stone Lifting ClampsExceptional Load Capacity & Adjustable Opening: Designed for industrial and construction use, our stone slab lifting clamps support up to 660 lbs (300 kg) or 617 lbs (280 kg), with a versatile adjustable opening of 8-30cm. Effortlessly grip and transport granite, marble, glass, metal sheets, concrete blocks, and plywood with confidence.Rugged, Durable Construction: Crafted from high-quality-grade aluminum, A3 steel, or forged alloy steel (depending on model), these clamps resist deformation, wear, and breakage even with regular heavy-duty use. High-temperature forging and reinforced hardware ensure reliable performance in demanding workplaces.Non-Slip Rubber Pads for Maximum Safety: Features fully vulcanized, textured rubber pads or polyurethane chucks that deliver a strong, non-slip grip and protect delicate surfaces from scratches, scuffs, or other damage during vertical lifting and transport.Ergonomic Design for Comfortable Operation: The anti-slip, ergonomically shaped handle minimizes hand fatigue, letting you work longer with better control and efficiency.Wide Application & Versatility: Perfect for construction sites, stone workshops, renovations, landscaping, and warehouses. appropriate for safely lifting and transporting stone slabs, steel plates, metal materials, and more—making it an indispensable material handling tool for professionals and DIYers alike.Enhanced Safety & Stability: Heavy-duty screws and high-strength lifting rings offer superior stability, reduce wobbling, and minimize safety risks during operation.Upgrade your workshop or construction site with dependable slab lifting clamps that combine industrial strength, user comfort, and material protection for efficient, secure handling of heavy building materials.